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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple, Inc. All rights
reserved. | 2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple, Inc. All rights
reserved. |
3 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). | 3 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
4 * Copyright (C) 2012 Samsung Electronics. All rights reserved. | 4 * Copyright (C) 2012 Samsung Electronics. All rights reserved. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
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26 | 26 |
27 enum CompositingTrigger { | 27 enum CompositingTrigger { |
28 ThreeDTransformTrigger = 1 << 0, | 28 ThreeDTransformTrigger = 1 << 0, |
29 VideoTrigger = 1 << 1, | 29 VideoTrigger = 1 << 1, |
30 PluginTrigger = 1 << 2, | 30 PluginTrigger = 1 << 2, |
31 CanvasTrigger = 1 << 3, | 31 CanvasTrigger = 1 << 3, |
32 AnimationTrigger = 1 << 4, | 32 AnimationTrigger = 1 << 4, |
33 FilterTrigger = 1 << 5, | 33 FilterTrigger = 1 << 5, |
34 ScrollableInnerFrameTrigger = 1 << 6, | 34 ScrollableInnerFrameTrigger = 1 << 6, |
35 GPURasterizationTrigger = 1 << 7, | 35 GPURasterizationTrigger = 1 << 7, |
| 36 |
36 // FIXME: This is a temporary trigger for enabling the old, opt-in path for | 37 // FIXME: This is a temporary trigger for enabling the old, opt-in path for |
37 // accelerated overflow scroll. It should be removed once the "universal" | 38 // accelerated overflow scroll. It should be removed once the "universal" |
38 // path is ready (crbug.com/254111). | 39 // path is ready (crbug.com/254111). |
| 40 // Currently there is no way to enable this trigger, which means we can |
| 41 // remove it once we're confident in the current codepaths. |
39 LegacyOverflowScrollTrigger = 1 << 8, | 42 LegacyOverflowScrollTrigger = 1 << 8, |
| 43 |
40 OverflowScrollTrigger = 1 << 9, | 44 OverflowScrollTrigger = 1 << 9, |
41 ViewportConstrainedPositionedTrigger = 1 << 10, | 45 ViewportConstrainedPositionedTrigger = 1 << 10, |
42 AllCompositingTriggers = 0xFFFFFFFF, | 46 AllCompositingTriggers = 0xFFFFFFFF, |
43 }; | 47 }; |
44 | 48 |
45 typedef unsigned CompositingTriggerFlags; | 49 typedef unsigned CompositingTriggerFlags; |
46 | 50 |
47 } | 51 } |
48 | 52 |
49 #endif | 53 #endif |
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